4 Jul 2026
Signal Headquarters

Field Notes · 3 Jul 2026

Best explained

Tokenized stocks, ETFs, and prediction markets are described as foundational building blocks that, once in place onchain, will enable dramatic innovation in asset management and wealth management over 12 to 18 months.

By the numbers

Anthropic trained a classifier targeting the jailbreak behavior described in the Amazon report, claiming a 99 percent success rate.

New today — Evidence added

AI model training has shifted from next-token prediction to reinforcement learning with right/wrong answer signals.

Eric Jang

Analyst earnings estimates for Korean memory stocks were dramatically revised upward, from a 2027 forecast of 20,000 Korean Won per share to approximately 300,000 Korean Won, a roughly 15x increase.

Erik

New today — Sharp calls

Encoding ARC grid colors as color names known to LLMs (e.g., 'black' for background, 'gray' for immovable areas) outperforms encoding them as abstract numbers.

François Chollet

Frontier AI licensing is currently determined by a single official's discretion rather than any formal legislative or executive framework, raising governance concerns.

Nathaniel Whittemore

Valar Atomics plans to demonstrate passive safety by shutting off all electrical safety systems, including the circulator and RCCS pump, immediately after scramming the reactor.

Isaiah Taylor

Frontier models can solve approximately half to two-thirds of ARC-AGI-3 training games end-to-end, but with low action efficiency.

François Chollet

New today — Useful context

People can have zero amyloid protein deposits in the brain and still present with full-blown Alzheimer's and dementia, undermining the amyloid plaque hypothesis as the primary cause.

Martin Picard

Tool watch

Ondo Finance is worth watching as a leading tokenized equities platform, with Circle stock emerging as its highest-volume product, driven by speculative demand from Asian trader communities.

Worth quoting

“Something like 46% of the emperors of Constantinople are overthrown through violence. 46%. And that's almost half.”
Anthony Kaldellis
“All of our money is made with the uncoachable ones.”
Chamath Palihapitiya
“The implementation is actually not the expensive part anymore. It's dare I say taste.”
Andrew Ambrosino
“The transformers can't plan but they can do a very good job of pretending essentially that is in a sense.”
François Chollet
“I think agents are the new SAS because software is moving from help me do the work to do the work with me.”
Greg Isenberg
“It's not the stress that burns us down, it's the response to stress.”
Martin Picard